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javascript - How can I limit categories displaying in posts

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I want to show the limited categories displaying in my post. Here is my blog page.

https://k2fly.com/blog/

Image

Kindly visit the page and give me advice how can i reduce category number displaying. I have tried with this codes but not working

<?php
// display 7 random categories

$cats ='';
$categories=get_categories('posts_per_page=5&exclude=' . $GLOBALS[asides_id]);
$rand_keys = array_rand($categories, 4);

foreach ($rand_keys as $key) {

    $cats .= $categories[$key]->term_id .',';

}

wp_list_categories('title_li=&include='.$cats);
?>
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Undefined asked

2021-12-1

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246

votes

Answer

Solution:

Would you please try theget_categories function in the following way?

$categories=get_categories( array(
'number' => 5,
'exclude' => $GLOBALS[asides_id]
) );
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Date the issue was resolved:

2021-12-1

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Link To Answer People are also looking for solutions of the problem: a non well formed numeric value encountered

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